| Phoenix Broomfield Street Management Company Limited | Real estate | 2016 |
| Phoenix Cleaning & Commercial Ltd | Administrative & support | 2025 |
| Phoenix Clearance and Removals Ltd | Transport & logistics | 2023 |
| Phoenix Employ | Administrative & support | 2002 |
| Phoenix House Manor Farm Limited | Manufacturing | 1993 |
| Phoenix Marketing Group Limited | Other services | 2025 |
| Phoenix Metallurgy Group Co., Limited | Extraterritorial | 2015 |
| Phoenix Nanobio Ltd | Wholesale & retail | 2025 |
| Phoenix Technology Company Limited | Wholesale & retail | 2023 |
| Phontec Ltd | Extraterritorial | 2023 |
| Phoremost Limited | Professional & scientific | 2014 |
| Phos Engineering Limited | Professional & scientific | 2025 |
| Photoboat Ltd | Professional & scientific | 2026 |
| Photonic Science & Engineering Ltd | Manufacturing | 2018 |
| Photonsoft Ltd | Extraterritorial | 2013 |
| Phragmites Ltd | Administrative & support | 2012 |
| Phyllis Ltd | Wholesale & retail | 2023 |
| Physical Acoustics Limited | Professional & scientific | 2011 |
| Physiopilates Ltd | Health & social care | 2011 |
| Physioteq Limited | Health & social care | 2019 |
| PI2 Solutions Ltd | Information & communication | 2002 |
| Piaseski Company Ltd | Manufacturing | 2024 |
| Piccolo Systems Ltd | Information & communication | 2017 |
| Pickwick Pine Furniture Co. Ltd. | Wholesale & retail | 1999 |
| Pideli Ltd | Manufacturing | 2024 |
| Piehead Systems Limited | Professional & scientific | 1998 |
| Piercy.Dev Ltd | Information & communication | 2023 |
| Piermill Bloodstock Limited | Agriculture & fishing | 2013 |
| PIETONS129 Ltd | Wholesale & retail | 2025 |
| PIG Genetics UK Limited | Extraterritorial | 2014 |
| Pigcity Composites Ltd | Manufacturing | 2021 |
| Pigeon (Brandon) Limited | Real estate | 2007 |
| Pigeon (Bury NE) Limited | Construction | 2026 |
| Pigeon (Bury West Promotions) Limited | Construction | 2017 |
| Pigeon (Bury West) Limited | Real estate | 2017 |
| Pigeon (Caley Close) Limited | Real estate | 2020 |
| Pigeon (Chelmsford) Limited | Construction | 2024 |
| Pigeon (Cheshunt) Holdings Limited | Financial services | 2024 |
| Pigeon (Cheshunt) Limited | Construction | 2022 |
| Pigeon (CPL) Limited | Construction | 2022 |
| Pigeon (Elmswell) Limited | Construction | 2024 |
| Pigeon (EW) Limited | Construction | 2019 |
| Pigeon (Fiveways) LLP | | 2013 |
| Pigeon (Hemel Hempstead) Limited | Construction | 2019 |
| Pigeon (Higham) Limited | Construction | 2026 |
| Pigeon (Hockley) Limited | Real estate | 2020 |
| Pigeon (Holland on Sea) Limited | Construction | 2023 |
| Pigeon (Honey Hill) Limited | Real estate | 2020 |
| Pigeon (Ilford) Limited | Real estate | 2015 |
| Pigeon (Jacks Hatch) Limited | Construction | 2021 |
| Pigeon (North Weald) Limited | Construction | 2025 |
| Pigeon (Pembroke) Limited | Real estate | 2023 |
| Pigeon (Risby 2) Limited | Real estate | 2017 |
| Pigeon (Sandon) Limited | Construction | 2020 |
| Pigeon (Saxmundham) Limited | Construction | 2025 |
| Pigeon (Shelford) Limited | Real estate | 2013 |
| Pigeon (Snettisham) Limited | Construction | 2023 |
| Pigeon (ST Nicholas' Court) 2 Limited | Real estate | 1998 |
| Pigeon (ST Nicholas' Court) Holdings Limited | Financial services | 2026 |
| Pigeon (ST Nicholas' Court) Limited | Real estate | 2002 |
| Pigeon (Swavesey) Limited | Real estate | 2018 |
| Pigeon (Takeley) Holdings Limited | Financial services | 2025 |
| Pigeon (Takeley) Limited | Real estate | 2016 |
| Pigeon (Thetford) Limited | Administrative & support | 2008 |
| Pigeon (Thorpe Road) Limited | Real estate | 2019 |
| Pigeon (Trimley) Ltd | Real estate | 2015 |
| Pigeon (TW) Limited | Construction | 2023 |
| Pigeon (Twinwoods) Limited | Construction | 2023 |
| Pigeon (Waltham Abbey) Limited | Construction | 2026 |
| Pigeon (Waterbeach) Limited | Real estate | 2021 |
| Pigeon (Weirs Drove) Limited | Construction | 2021 |
| Pigeon (Werrington) Limited | Construction | 2022 |
| Pigeon (Wherstead) Limited | Construction | 2017 |
| Pigeon (Wildtracks) Limited | Construction | 2022 |
| Pigeon (Woolpit) Limited | Real estate | 2015 |
| Pigeon (Yaxley) Limited | Real estate | 2020 |
| Pigeon Bedric 1 LLP | | 2018 |
| Pigeon Bedric 2 LLP | | 2018 |
| Pigeon Bedric Limited | Real estate | 2018 |
| Pigeon Capital Management 2 Limited | Real estate | 2016 |
| Pigeon Capital Management 2000 Ltd | Real estate | 2022 |
| Pigeon Capital Management 3 Limited | Construction | 2019 |
| Pigeon Capital Management 4 Limited | Real estate | 2022 |
| Pigeon Capital Management 6 Limited | Real estate | 2015 |
| Pigeon Capital Partners Limited | Financial services | 2020 |
| Pigeon Developments Limited | Construction | 2004 |
| Pigeon Earth Limited | Construction | 2022 |
| Pigeon Holdings Limited | Extraterritorial | 2026 |
| Pigeon Investment Management Limited | Real estate | 2007 |
| Pigeon Land Holdings 2 Limited | Financial services | 2021 |
| Pigeon Land Holdings Limited | Financial services | 2021 |
| Pigeon Nominees Limited | Financial services | 2025 |
| Piggy Electric Limited | Financial services | 2025 |
| Piggy Genius Limited | Wholesale & retail | 2021 |
| Piggy in the Middle (Abington) Limited | Hospitality | 2025 |
| Piggy Pineapple Ltd | Real estate | 2022 |
| Piirform Ltd | Information & communication | 2024 |
| Pikaso RS Ltd | Manufacturing | 2024 |
| Pilar Group Holding Ltd | Construction | 2026 |
| Pilarrecarteperez Ltd | Administrative & support | 2025 |